8th Standard Syllabus & Materials
8th Standard
TN 8th Tamil இயல் 3 - கல்வி கரையில - வினைமுற்று Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2 - ஈடில்லா இயற்கை - மயங்கொலிகள் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2 - ஈடில்லா இயற்கை -பட்டமரம் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2 - ஈடில்லா இயற்கை - இயற்கையை போற்றுவோம் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 1 - தமிழ் இன்பம் - ஆழிக்கு இணை Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2-ஈடில்லா இயற்கை - திருக்குறள் Important Questions And Answers Study Material - QB365 Set A

Published on: 11/12/2020
8th Standard Science English Medium Free Online Test 1 Mark Questions 2020 - 2021 Part - Seven
Download Tamil Nadu 8th Standard Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Science Test1.
The Keyboard shortcut is used to cut the selected text
Ctrl + C
Ctrl + V
Ctrl + X
Ctrl + A
2.
Deforestation means ______
cleaning of forest
to grow plants
to look after plants
None of these.
3.
Organism that control insects and pests of plant crops is
bio-pesticides
bio-fertilizers
earthworms
neem leaves
4.
__________ is the coal of superior quality.
Peat
Lignite
Bituminous
Anthracite
5.
Sodium hydroxide is a ________
acid
base
oxide
alkali
6.
Solubility of carbon dioxide in water is high when the
pressure is low
pressure is high
temperature is high
None of the above
7.
Mangalyaan was sent to ________
Moon
Mars
Venus
Mercury
8.
One of the following is an example of a permanent magnet.
Electromagnet
Mumetal
Soft iron
Neodymium
9.
The amplitude of the sound wave decides its
speed
pitch
loudness
frequency
10.
Tux paint software is used to ________.
paint
program
scan
11.
Adam’s apple is the growth of the ________
pharynx
thyroid
larynx
parathyroid
12.
Rain drops are spherical in nature because of _________
Frictional force
Buoyant force
Surface tension
Viscous force
13.
Normal temperature of the human body is between
98.4°F and 99.6°F
98.40F and 98.60F
97.4°F and 98.6°F
97.6°F and 99.60F
14.
Mirrors which magnify the object placed close to them.
Convex mirror
Concave mirror
Plane mirror
ellipsoid mirror
15.
Decomposition of limestone is an example for chemical reaction based on __________
contact
electricity
light
heat
16.
Common cold in human is caused by __________
plasmodium
influenza
vibrio cholera
aphthovirus
17.
Which of the following element is named after a scientist?
Americium
Mercury
Nobelium
Neptunium
18.
When was the first computer introduced?
1980
1947
1946
1985
19.
_________are called as building blocks of life
Cells
nucleus
Cell organelles
tissues
20.
_____ is the giant kelp
Spirogyra
Volvox
Macrocystis
Chlorella
1.
(c)
Ctrl + X
2.
(a)
cleaning of forest
3.
(a)
bio-pesticides
4.
(d)
Anthracite
5.
(b)
base
6.
(b)
pressure is high
7.
(b)
Mars
8.
(d)
Neodymium
9.
(c)
loudness
10.
(a)
paint
11.
(c)
larynx
12.
(c)
Surface tension
13.
(b)
98.40F and 98.60F
14.
(b)
Concave mirror
15.
(d)
heat
16.
(b)
influenza
17.
(c)
Nobelium
18.
(c)
1946
19.
(a)
Cells
20.
(c)
Macrocystis
8th Standard Syllabus & Materials
8th Standard
TN 8th Tamil இயல் 3 - கல்வி கரையில - பாடறிந்து ஒழுகுதல் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 3-கல்வி கரையில - பல்துறைக் கல்வி Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 3-கல்வி கரையில - புத்தியைத் தீட்டு Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2 - ஈடில்லா இயற்கை - தமிழர் மருத்துவம் ( நேர்காணல்) Important Questions And Answers Study Material - QB365 Set A
Tamilnadu Stateboard 8th Standard Subjects
Tamilnadu Stateboard Standards